| Term | Definition |
| corpus callosum | connects the two cerebral hemispheres |
| medulla | controls vital functions like heartbeat and respiration |
| hippocampus | associated with short term memory |
| pons | relays messages between the cerebrum and the cerebellum |
| pituitary gland | master gland of the body that controls hormone secretion |
| ventricles | contain cerebrospinal fluid |
| occipital lobe | receives and interprets visual sensory messages |
| temporal lobe | involved in hearing and smell |
| acetylcholine | most common neurotransmitter in the body |
| frontal lobe | site of logic and reasoning |
| parietal lobe | handles all sensory info except vision,hearing, and smell |
| thalamus | relay station for sensory information |
| pineal gland | produces the hormone melatonin that influences wake/sleep cycles |
| cerebellum | controls balance and equilibrium |
| optic chiasm | where the optic nerves cross over |
| gray matter | made up of nerve cell bodies |
| white matter | made up of nerve axons |
| hypothalamus | regulates body temperature,water balance, and metabolism |
| gyri and sulci | increase the surface area of the cerebrum |
| olfactory bulb | involved in the sense of smell |